Phishing Analysis
Detailed analysis of captured phishing page
Visual Capture
Detection Info
https://biflyer.online/?shiny
Detected Brand
bitFlyer
Country
Unknown
Confidence
100%
HTTP Status
200
Report ID
1760bbce-aa2…
Analyzed
2026-07-14 04:24
Content Hashes (HTML Similarity)
Used to detect similar phishing pages based on HTML content
| Algorithm | Hash Value |
|---|---|
|
CONTENT
TLSH
|
T12FD36270E47C993B526787DAB1B6AB2A30E5C38CCE83024452FD43B90BE6CE5FD16855 |
|
CONTENT
ssdeep
|
1536:WsN/Oruj/OrCWZJZxTUqz32OUziZZHq6irLqiSWktVW3tn:b4P7Qrz8vu |
Visual Hashes (Screenshot Similarity)
Used to detect visually similar phishing pages based on screenshots
| Algorithm | Hash Value |
|---|---|
|
VISUAL
pHash
|
e5a572529e3a31a5 |
|
VISUAL
aHash
|
f873e3b3b2e0c080 |
|
VISUAL
dHash
|
01c24666664a1010 |
|
VISUAL
wHash
|
fff0f383b2e0e080 |
|
VISUAL
colorHash
|
38002000480 |
|
VISUAL
cropResistant
|
01c24666664a1010 |
Code Analysis
Risk Score
100/100
Threat Level
ALTO
⚠️ Phishing Confirmed
🎣 Credential Harvester
🎣 OTP Stealer
🎣 Card Stealer
🎣 Banking
🎣 Personal Info
WebSocket C2
⚡ Supabase Backend
🔒 Obfuscation Detected
- atob
- fromCharCode
- base64_strings
🎯 Kit Endpoints
- #icon-log-out
- #icon-send
📡 API Calls Detected
- https://api.coingecko.com/api/v3/coins/markets?vs_currency=jpy&order=market_cap_desc&per_page=150&page=1
- https://api.coingecko.com/api/v3/simple/price?ids=bitcoin&vs_currencies=jpy,usd,eur
☁️ Cloud Backend
- Supabase: jiwmwillekyzodnkcyyl.supabase.co
📊 Risk Score Breakdown
Total Risk Score
100/100
Contributing Factors
Active Phishing Kit
Detected kit types: Credential Harvester, OTP Stealer, Card Stealer, Banking, Personal Info
Real-time C2
WebSocket-based Command & Control infrastructure for real-time victim monitoring
Code Obfuscation
JavaScript code obfuscated using 7 technique(s) to evade detection
🔬 Comprehensive Threat Analysis
Threat Type
Banking Credential Harvester
Target
bitFlyer users
Attack Method
real-time WebSocket exfiltration + obfuscated JavaScript
Exfiltration Channel
Supabase Database + WebSocket (1 endpoints)
Risk Assessment
CRITICAL - Automated credential harvesting with Supabase Database + WebSocket (1 endpoints)
⚠️ Indicators of Compromise
- Kit types: Credential Harvester, OTP Stealer, Card Stealer, Banking, Personal Info
- 7 obfuscation techniques
🏢 Brand Impersonation Analysis
Impersonated Brand
bitFlyer
Official Website
N/A
Fake Service
Banking/payment service
⚔️ Attack Methodology
Primary Method: Credential Harvesting
Victim enters username and password into fake login form. Credentials are captured via JavaScript and exfiltrated to attacker's server in real-time.
Secondary Method: JavaScript Obfuscation
Malicious code is obfuscated using 7 techniques to evade detection by security scanners and make reverse engineering more difficult.
Target Blockchain
Multiple blockchains
Whitelist Bypass
YES
Drainer supports multiple blockchain networks and checks for high-value tokens on each chain before executing drain operations.
🌐 Infrastructure Indicators of Compromise
Domain Information
Domain
biflyer.online
Registered
2026-06-30 17:27:02.314000+00:00
Registrar
GoDaddy.com, LLC
Status
Recently registered (13 days old)
Hosting Information
Provider
GoDaddy
ASN
🤖 AI-Extracted Threat Intelligence
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